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Volume 13, Number 1—January 2007


Cryptococcus gattii Dispersal Mechanisms, British Columbia, Canada

Sarah E. Kidd*, Paxton J. Bach*, Adrian O. Hingston*, Sunny Mak†, Yat Chow*, Laura MacDougall†, James W. Kronstad*, and Karen H. Bartlett*Comments to Author 
Author affiliations: *University of British Columbia, Vancouver, British Columbia, Canada; †British Columbia Centre for Disease Control, Vancouver, British Columbia, Canada;

Main Article

Table 1

Cryptococcus gattii positivity and concentration among water samples collected from different lake sites at a highly visited provincial park located within the NTS grid 092F/07*

Sampling siteTotal samplesPositive samples (%)C. gattii GM concentration (CFU/100 mL)†GSD
Boat launch (lake)1110 (91)11.610.6
Picnic site (lake)96 (67)4.92.8
Historic site (lake)107 (70)5.024.3
Campground (creek)104 (40)0.82.8
Other sites, limited public access (lake)60

*NTS, National Topographic System of Canada; GM, geometric mean for positive samples; GSD, geometric standard deviation for positive samples.
†Limit of detection of method: 0.2 CFU/100 mL (1 CFU/500 mL).

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